Answer:
r = 22
Step-by-step explanation:
Given
[tex]\frac{1}{2}[/tex] r + 4 = [tex]\frac{3}{4}[/tex] r - [tex]\frac{3}{2}[/tex]
Multiply through by 4 to clear the fractions
2r + 16 = 3r - 6 ( subtract 2r from both sides )
16 = r - 6 ( add 6 to both sides )
22 = r
